First they bought Skyera, erstwhile all flash array startup. Now WD's HGST unit is buying Amplidata, a scale-out object storage software vendor. Is the world's largest disk drive vendor moving into the storage systems business or not?

While the cloud has appeared just in time to offer free and easy access to gigabytes of storage space, some people like to keep their data close to hand. Here are some of the best storage devices money can buy that will help you keep your data safe.

The new interface uses PCI Express to improve performance beyond conventional SATA drives. The company plans to sell Hyper Express without drives in the U.S., but can accept a pair of drives in RAID 0 configuration.